Enlarging the Sea Rover

by Klaus Dürrbeck
(Isle of Majorca, Spain)

Hi Fellows,
after building successfully a couple of smaller boats (mainly ethnic maori canoes) on Majorca I dare to start building the Sea Rover in the cabin version.

Since the plans relate to a 15 footer I wonder if extending the distance between stations a few centimeters will safely allow a length of 4.99 meters (maximum LOA to avoid high registration fees in Spain).

Does anybody see a major problem? -

Would appreciate friendly comments of people with more building experience than mine.

Klaus

Comments for Enlarging the Sea Rover

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Sea Rover (Cabin)
by: Klaus

Thanks Bill & Mike.
In despite of my original enthusiasm and since plenty of conversion to metric is involved I now became reluctant to enlarge the Sea Rover and will stick to the original 15 ft measures.

There is another (important) issue which severely affects my wallet: Is a 25 hp outboard engine really capable to make the vessel plane at 15 Kn with 6 passengers as stated in the original plans?.

Would appreciate any comments of Sea Rover owners who had to deal with this hp-question.

Sea Rover
by: Mike

The only 'problem', minor one, I can see is that two standard length plywood panels joined are usually just long enough to clad the side of a 15 footer, for that 16+ footer you will need to join in a bit extra.

Sea Rover Extension
by: Bill

Extending an original plan can be problematic.

But the plans do say that she can be extended to 17 ft, so there shouldn’t be a problem going to 4.99 meters (just over 16 ft).

For the 17 ft version they suggest adding an extra frame, taken from the transom framing diagram, which is one way you could go for your 16+ ft version.

However, adding just a couple of inches between frames should be OK too but you might want to consider using the thicker 3/8″ (9.5mm) plywood for the sides.

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